Patch Detail

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{
    "id": 43245,
    "url": "http://patches.dpdk.org/api/patches/43245/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/20180720190447.7979-5-Ashish.Gupta@caviumnetworks.com/",
    "project": {
        "id": 1,
        "url": "http://patches.dpdk.org/api/projects/1/?format=api",
        "name": "DPDK",
        "link_name": "dpdk",
        "list_id": "dev.dpdk.org",
        "list_email": "dev@dpdk.org",
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        "scm_url": "git://dpdk.org/dpdk",
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    "msgid": "<20180720190447.7979-5-Ashish.Gupta@caviumnetworks.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20180720190447.7979-5-Ashish.Gupta@caviumnetworks.com",
    "date": "2018-07-20T19:04:45",
    "name": "[v3,4/6] compress/octeontx: add ops enq deq apis",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "f7d1616147402786dc2c5accc9db07e3353d9799",
    "submitter": {
        "id": 1089,
        "url": "http://patches.dpdk.org/api/people/1089/?format=api",
        "name": "Ashish Gupta",
        "email": "Ashish.Gupta@caviumnetworks.com"
    },
    "delegate": {
        "id": 22,
        "url": "http://patches.dpdk.org/api/users/22/?format=api",
        "username": "pdelarag",
        "first_name": "Pablo",
        "last_name": "de Lara Guarch",
        "email": "pablo.de.lara.guarch@intel.com"
    },
    "mbox": "http://patches.dpdk.org/project/dpdk/patch/20180720190447.7979-5-Ashish.Gupta@caviumnetworks.com/mbox/",
    "series": [
        {
            "id": 699,
            "url": "http://patches.dpdk.org/api/series/699/?format=api",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=699",
            "date": "2018-07-20T19:04:41",
            "name": "compress: add Octeontx ZIP compression PMD",
            "version": 3,
            "mbox": "http://patches.dpdk.org/series/699/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/patches/43245/comments/",
    "check": "success",
    "checks": "http://patches.dpdk.org/api/patches/43245/checks/",
    "tags": {},
    "related": [],
    "headers": {
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            "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id C261E2F7D;\n\tFri, 20 Jul 2018 20:42:53 +0200 (CEST)",
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        "Authentication-Results": "spf=none (sender IP is )\n\tsmtp.mailfrom=Ashish.Gupta@cavium.com; ",
        "From": "Ashish Gupta <Ashish.Gupta@caviumnetworks.com>",
        "To": "pablo.de.lara.guarch@intel.com",
        "Cc": "dev@dpdk.org, narayanaprasad.athreya@cavium.com,\n\tmahipal.challa@cavium.com, \n\tAshish Gupta <ashish.gupta@caviumnetworks.com>,\n\tShally Verma <shally.verma@caviumnetworks.com>,\n\tSunila Sahu <sunila.sahu@caviumnetworks.com>",
        "Date": "Sat, 21 Jul 2018 00:34:45 +0530",
        "Message-Id": "<20180720190447.7979-5-Ashish.Gupta@caviumnetworks.com>",
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        "Subject": "[dpdk-dev] [PATCH v3 4/6] compress/octeontx: add ops enq deq apis",
        "X-BeenThere": "dev@dpdk.org",
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        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
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        "Errors-To": "dev-bounces@dpdk.org",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>"
    },
    "content": "Add enqueue/dequeue APIs to perform compression/decompression\noperations\n\nSigned-off-by: Ashish Gupta <ashish.gupta@caviumnetworks.com>\nSigned-off-by: Shally Verma <shally.verma@caviumnetworks.com>\nSigned-off-by: Sunila Sahu <sunila.sahu@caviumnetworks.com>\n---\n drivers/compress/octeontx/otx_zip.c     |  49 +++++++++\n drivers/compress/octeontx/otx_zip.h     | 169 ++++++++++++++++++++++++++++++++\n drivers/compress/octeontx/otx_zip_pmd.c | 119 ++++++++++++++++++++++\n 3 files changed, 337 insertions(+)",
    "diff": "diff --git a/drivers/compress/octeontx/otx_zip.c b/drivers/compress/octeontx/otx_zip.c\nindex 255b095de..6499ddb86 100644\n--- a/drivers/compress/octeontx/otx_zip.c\n+++ b/drivers/compress/octeontx/otx_zip.c\n@@ -89,6 +89,55 @@ zipvf_q_term(struct zipvf_qp *qp)\n }\n \n \n+int\n+zipvf_push_command(struct zipvf_qp *qp, union zip_inst_s *cmd)\n+{\n+\tzip_quex_doorbell_t dbell;\n+\tunion zip_nptr_s ncp;\n+\tuint64_t *ncb_ptr;\n+\tstruct zipvf_cmdq *cmdq = &qp->cmdq;\n+\tvoid *reg_base = qp->vf->vbar0;\n+\n+\t/*Held queue lock*/\n+\trte_spinlock_lock(&(cmdq->qlock));\n+\n+\t/* Check space availability in zip cmd queue */\n+\tif ((((cmdq->sw_head - (uint64_t *)cmdq->va) * sizeof(uint64_t *)) +\n+\t\tZIP_CMD_SIZE) == (ZIP_MAX_CMDQ_SIZE - ZIP_MAX_NCBP_SIZE)) {\n+\t\t/*Last buffer of the command queue*/\n+\t\tmemcpy((uint8_t *)cmdq->sw_head,\n+\t\t\t(uint8_t *)cmd,\n+\t\t\tsizeof(union zip_inst_s));\n+\t\t/* move pointer to next loc in unit of 64-bit word */\n+\t\tcmdq->sw_head += ZIP_CMD_SIZE_WORDS;\n+\n+\t\t/* now, point the \"Next-Chunk Buffer Ptr\" to sw_head */\n+\t\tncb_ptr = cmdq->sw_head;\n+\t\t/* Pointing head again to cmdqueue base*/\n+\t\tcmdq->sw_head = (uint64_t *)cmdq->va;\n+\n+\t\tncp.u = 0ull;\n+\t\tncp.s.addr = cmdq->iova;\n+\t\t*ncb_ptr = ncp.u;\n+\t} else {\n+\t\t/*Enough buffers available in the command queue*/\n+\t\tmemcpy((uint8_t *)cmdq->sw_head,\n+\t\t\t(uint8_t *)cmd,\n+\t\t\tsizeof(union zip_inst_s));\n+\t\tcmdq->sw_head += ZIP_CMD_SIZE_WORDS;\n+\t}\n+\n+\trte_wmb();\n+\n+\t/* Ringing ZIP VF doorbell */\n+\tdbell.u = 0ull;\n+\tdbell.s.dbell_cnt = 1;\n+\tzip_reg_write64(reg_base, ZIP_VQ_DOORBELL, dbell.u);\n+\n+\trte_spinlock_unlock(&(cmdq->qlock));\n+\treturn 0;\n+}\n+\n int\n zipvf_create(struct rte_compressdev *compressdev)\n {\ndiff --git a/drivers/compress/octeontx/otx_zip.h b/drivers/compress/octeontx/otx_zip.h\nindex 3fcd86a86..73a99e624 100644\n--- a/drivers/compress/octeontx/otx_zip.h\n+++ b/drivers/compress/octeontx/otx_zip.h\n@@ -159,6 +159,170 @@ struct zip_vf {\n \t/* pointer to pools */\n } __rte_cache_aligned;\n \n+\n+static inline int\n+zipvf_prepare_in_buf(struct zip_stream *zstrm, struct rte_comp_op *op)\n+{\n+\tuint32_t offset, inlen;\n+\tunion zip_zptr_s *sg_list = NULL;\n+\tstruct rte_mbuf *m_src;\n+\tunion zip_inst_s *inst = zstrm->inst;\n+\trte_iova_t iova;\n+\n+\tinlen = op->src.length;\n+\toffset = op->src.offset;\n+\tm_src = op->m_src;\n+\n+\tif (m_src->nb_segs == 1) {\n+\t\t/* Prepare direct input data pointer */\n+\t\tinst->s.dg = 0;\n+\t\tinst->s.inp_ptr_addr.s.addr =\n+\t\t\trte_pktmbuf_iova_offset(m_src, offset);\n+\t\tinst->s.inp_ptr_ctl.s.length = inlen;\n+\t\treturn 0;\n+\t}\n+\n+\tZIP_PMD_INFO(\"Input packet is segmented\\n\");\n+\n+\t/* Packet is segmented, create gather buffer */\n+\tinst->s.dg = 1;\n+\tiova = rte_mempool_virt2iova(zstrm->bufs[IN_DATA_BUF]);\n+\tif (iova & 0xF) {\n+\t\t/* Align it to 16 Byte address */\n+\t\tiova = ZIP_ALIGN_ROUNDUP(iova, ZIP_SGPTR_ALIGN);\n+\t}\n+\n+\tinst->s.inp_ptr_addr.s.addr = iova;\n+\tinst->s.inp_ptr_ctl.s.length = (m_src->nb_segs < MAX_SG_LEN) ?\n+\t\t\t\t\t(m_src->nb_segs) : MAX_SG_LEN;\n+\n+\tsg_list = (union zip_zptr_s *)(zstrm->bufs[IN_DATA_BUF]);\n+\n+\tint i = 0;\n+\trte_iova_t addr;\n+\tuint16_t len;\n+\n+\twhile (i < inst->s.inp_ptr_ctl.s.length) {\n+\t\taddr = rte_pktmbuf_iova_offset(m_src, offset);\n+\t\tlen = rte_pktmbuf_data_len(m_src);\n+\t\tif (len > inlen)\n+\t\t\tlen = inlen;\n+\t\tsg_list[i].s.addr = addr;\n+\t\tsg_list[i].s.length = len;\n+\t\ti++;\n+\t\tinlen -= len;\n+\t\tm_src = m_src->next;//try offset += len instead\n+\t\toffset = 0;\n+\t}\n+\treturn 0;\n+}\n+\n+static inline int\n+zipvf_prepare_out_buf(struct zip_stream *zstrm, struct rte_comp_op *op)\n+{\n+\tuint32_t offset;\n+\tunion zip_zptr_s *sg_list = NULL;\n+\tstruct rte_mbuf *m_dst;\n+\tunion zip_inst_s *inst = zstrm->inst;\n+\trte_iova_t iova;\n+\n+\toffset = op->src.offset;\n+\tm_dst = op->m_dst;\n+\n+\tif (m_dst->nb_segs == 1) {\n+\t\t/* Prepare direct input data pointer */\n+\t\tinst->s.ds = 0;\n+\t\tinst->s.out_ptr_addr.s.addr =\n+\t\t\trte_pktmbuf_iova_offset(m_dst, offset);\n+\t\tinst->s.totaloutputlength = rte_pktmbuf_data_len(m_dst) -\n+\t\t\t\t\t    op->dst.offset;\n+\t\tinst->s.out_ptr_ctl.s.length = inst->s.totaloutputlength;\n+\t\treturn 0;\n+\t}\n+\n+\tZIP_PMD_INFO(\"output packet is segmented\\n\");\n+\n+\t/* Packet is segmented, create gather buffer */\n+\tinst->s.ds = 1;\n+\tiova = rte_mempool_virt2iova(zstrm->bufs[OUT_DATA_BUF]);\n+\tif (iova & 0xF) {\n+\t\t/* Align it to 16 Byte address */\n+\t\tiova = ZIP_ALIGN_ROUNDUP(iova, ZIP_SGPTR_ALIGN);\n+\t}\n+\n+\tinst->s.out_ptr_addr.s.addr = iova;\n+\tinst->s.inp_ptr_ctl.s.length = (m_dst->nb_segs < MAX_SG_LEN) ?\n+\t\t\t\t\t(m_dst->nb_segs) : MAX_SG_LEN;\n+\n+\tsg_list = (union zip_zptr_s *)(zstrm->bufs[OUT_DATA_BUF]);\n+\n+\tint i = 0;\n+\n+\twhile (i < inst->s.inp_ptr_ctl.s.length) {\n+\t\tsg_list[i].s.addr = rte_pktmbuf_iova_offset(m_dst, offset);\n+\t\tsg_list[i].s.length = rte_pktmbuf_data_len(m_dst);\n+\t\tinst->s.totaloutputlength += sg_list[i].s.length;\n+\t\tm_dst = m_dst->next;//try offset += len instead\n+\t\toffset = 0;\n+\t\ti++;\n+\t}\n+\n+\treturn 0;\n+}\n+\n+static inline int\n+zipvf_prepare_cmd_stateless(struct rte_comp_op *op, struct zip_stream *zstrm)\n+{\n+\tunion zip_inst_s *inst = zstrm->inst;\n+\n+\t/* set flush flag to always 1*/\n+\tinst->s.ef = 1;\n+\n+\tif (inst->s.op == ZIP_OP_E_DECOMP)\n+\t\tinst->s.sf = 1;\n+\telse\n+\t\tinst->s.sf = 0;\n+\n+\t/* Set input checksum */\n+\tinst->s.adlercrc32 = op->input_chksum;\n+\n+\t/* Prepare gather buffers if input packet is segmented */\n+\tzipvf_prepare_in_buf(zstrm, op);\n+\tzipvf_prepare_out_buf(zstrm, op);\n+\n+\treturn 0;\n+}\n+\n+#ifdef ZIP_DBG\n+static inline void\n+zip_dump_instruction(void *inst)\n+{\n+\tunion zip_inst_s *cmd83 = (union zip_inst_s *)inst;\n+\tprintf(\"####### START ########\\n\");\n+\tprintf(\"doneint:%d totaloutputlength:%d\\n\", cmd83->s.doneint,\n+\t\tcmd83->s.totaloutputlength);\n+\tprintf(\"exnum:%d iv:%d exbits:%d hmif:%d halg:%d\\n\", cmd83->s.exn,\n+\t\tcmd83->s.iv, cmd83->s.exbits, cmd83->s.hmif, cmd83->s.halg);\n+\tprintf(\"flush:%d speed:%d cc:%d\\n\", cmd83->s.sf,\n+\t\tcmd83->s.ss, cmd83->s.cc);\n+\tprintf(\"eof:%d bof:%d op:%d dscatter:%d dgather:%d hgather:%d\\n\",\n+\t\tcmd83->s.ef, cmd83->s.bf, cmd83->s.op, cmd83->s.ds,\n+\t\tcmd83->s.dg, cmd83->s.hg);\n+\tprintf(\"historylength:%d adler32:%d\\n\", cmd83->s.historylength,\n+\t\tcmd83->s.adlercrc32);\n+\tprintf(\"ctx_ptr.addr:0x%lx\\n\", cmd83->s.ctx_ptr_addr.s.addr);\n+\tprintf(\"ctx_ptr.len:%d\\n\", cmd83->s.ctx_ptr_ctl.s.length);\n+\tprintf(\"history_ptr.addr:0x%lx\\n\", cmd83->s.his_ptr_addr.s.addr);\n+\tprintf(\"history_ptr.len:%d\\n\", cmd83->s.his_ptr_ctl.s.length);\n+\tprintf(\"inp_ptr.addr:0x%lx\\n\", cmd83->s.inp_ptr_addr.s.addr);\n+\tprintf(\"inp_ptr.len:%d\\n\", cmd83->s.inp_ptr_ctl.s.length);\n+\tprintf(\"out_ptr.addr:0x%lx\\n\", cmd83->s.out_ptr_addr.s.addr);\n+\tprintf(\"out_ptr.len:%d\\n\", cmd83->s.out_ptr_ctl.s.length);\n+\tprintf(\"result_ptr.len:%d\\n\", cmd83->s.res_ptr_ctl.s.length);\n+\tprintf(\"####### END ########\\n\");\n+}\n+#endif\n+\n int\n zipvf_create(struct rte_compressdev *compressdev);\n \n@@ -174,6 +338,11 @@ zipvf_q_term(struct zipvf_qp *qp);\n int\n zipvf_push_command(struct zipvf_qp *qp, union zip_inst_s *zcmd);\n \n+int\n+zip_process_op(struct rte_comp_op *op,\n+\t\t\t\tstruct zipvf_qp *qp,\n+\t\t\t\tstruct zip_stream *zstrm);\n+\n uint64_t\n zip_reg_read64(uint8_t *hw_addr, uint64_t offset);\n \ndiff --git a/drivers/compress/octeontx/otx_zip_pmd.c b/drivers/compress/octeontx/otx_zip_pmd.c\nindex fac547920..a76c95117 100644\n--- a/drivers/compress/octeontx/otx_zip_pmd.c\n+++ b/drivers/compress/octeontx/otx_zip_pmd.c\n@@ -28,6 +28,67 @@ static const struct rte_compressdev_capabilities\n \tRTE_COMP_END_OF_CAPABILITIES_LIST()\n };\n \n+/*\n+ * Reset session to default state for next set of stateless operation\n+ */\n+static inline void\n+reset_stream(struct zip_stream *z_stream)\n+{\n+\tunion zip_inst_s *inst = (union zip_inst_s *)(z_stream->inst);\n+\n+\tinst->s.bf = 1;\n+\tinst->s.ef = 0;\n+}\n+\n+int\n+zip_process_op(struct rte_comp_op *op,\n+\t\tstruct zipvf_qp *qp,\n+\t\tstruct zip_stream *zstrm)\n+{\n+\tint ret;\n+\tunion zip_inst_s *inst = zstrm->inst;\n+\tvolatile union zip_zres_s *zresult = NULL;\n+\n+\tzipvf_prepare_cmd_stateless(op, zstrm);\n+\n+\tzresult = (union zip_zres_s *)zstrm->bufs[RES_BUF];\n+\tzresult->s.compcode = 0;\n+\n+#ifdef ZIP_DBG\n+\tzip_dump_instruction(inst);\n+#endif\n+\n+\t/* Submit zip command */\n+\tret = zipvf_push_command(qp, (void *)inst);\n+\n+\t/* Check and Process results in sync mode */\n+\tdo {\n+\t} while (!zresult->s.compcode);\n+\n+\tif (zresult->s.compcode == ZIP_COMP_E_SUCCESS) {\n+\t\top->status = RTE_COMP_OP_STATUS_SUCCESS;\n+\t} else {\n+\t\t/* FATAL error cannot do anything */\n+\t\tZIP_PMD_ERR(\"operation failed with error code:%d\\n\",\n+\t\t\tzresult->s.compcode);\n+\t\tif (zresult->s.compcode == ZIP_COMP_E_DSTOP)\n+\t\t\top->status = RTE_COMP_OP_STATUS_OUT_OF_SPACE_TERMINATED;\n+\t\telse\n+\t\t\top->status = RTE_COMP_OP_STATUS_ERROR;\n+\t}\n+\n+\tZIP_PMD_INFO(\"ret %d,written %d\\n\", ret, zresult->s.totalbyteswritten);\n+\n+\top->produced = zresult->s.totalbyteswritten;\n+\top->consumed = zresult->s.totalbytesread;\n+\n+\tif (zresult->s.ef == 1)\n+\t\treset_stream(zstrm);\n+\n+\tzresult->s.compcode = 0;\n+\treturn ret;\n+}\n+\n /** Parse xform parameters and setup a stream */\n static int\n zip_set_stream_parameters(struct rte_compressdev *dev,\n@@ -114,6 +175,7 @@ zip_set_stream_parameters(struct rte_compressdev *dev,\n \tinst->s.res_ptr_ctl.s.length = 0;\n \n \tz_stream->inst = inst;\n+\tz_stream->func = zip_process_op;\n \n \treturn 0;\n \n@@ -397,6 +459,61 @@ zip_pmd_stream_free(struct rte_compressdev *dev, void *stream)\n }\n \n \n+static uint16_t\n+zip_pmd_enqueue_burst_sync(void *queue_pair,\n+\t\tstruct rte_comp_op **ops, uint16_t nb_ops)\n+{\n+\tstruct zipvf_qp *qp = queue_pair;\n+\tstruct rte_comp_op *op;\n+\tstruct zip_stream *zstrm;\n+\tint i, ret = -1;\n+\tuint16_t enqd = 0;\n+\n+\tfor (i = 0; i < nb_ops; i++) {\n+\n+\t\top = ops[i];\n+\n+\t\tif (op->op_type == RTE_COMP_OP_STATEFUL) {\n+\t\t\tret = -1;\n+\t\t\top->status = RTE_COMP_OP_STATUS_INVALID_ARGS;\n+\t\t} else {\n+\t\t\t/* process stateless ops */\n+\t\t\tzstrm = (struct zip_stream *)op->private_xform;\n+\t\t\tret = zstrm->func(op, qp, zstrm);\n+\t\t}\n+\n+\t\t/* Whatever is out of op, put it into completion queue with\n+\t\t * its status\n+\t\t */\n+\t\tif (!ret)\n+\t\t\tret = rte_ring_enqueue(qp->processed_pkts, (void *)op);\n+\n+\t\tif (unlikely(ret < 0)) {\n+\t\t\t/* increment count if failed to enqueue op*/\n+\t\t\tqp->qp_stats.enqueue_err_count++;\n+\t\t} else {\n+\t\t\tqp->qp_stats.enqueued_count++;\n+\t\t\tenqd++;\n+\t\t}\n+\t}\n+\treturn enqd;\n+}\n+\n+static uint16_t\n+zip_pmd_dequeue_burst_sync(void *queue_pair,\n+\t\tstruct rte_comp_op **ops, uint16_t nb_ops)\n+{\n+\tstruct zipvf_qp *qp = queue_pair;\n+\n+\tunsigned int nb_dequeued = 0;\n+\n+\tnb_dequeued = rte_ring_dequeue_burst(qp->processed_pkts,\n+\t\t\t(void **)ops, nb_ops, NULL);\n+\tqp->qp_stats.dequeued_count += nb_dequeued;\n+\n+\treturn nb_dequeued;\n+}\n+\n struct rte_compressdev_ops octtx_zip_pmd_ops = {\n \t\t.dev_configure\t\t= zip_pmd_config,\n \t\t.dev_start\t\t= zip_pmd_start,\n@@ -458,6 +575,8 @@ zip_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,\n \n \tcompressdev->dev_ops = &octtx_zip_pmd_ops;\n \t/* register rx/tx burst functions for data path */\n+\tcompressdev->dequeue_burst = zip_pmd_dequeue_burst_sync;\n+\tcompressdev->enqueue_burst = zip_pmd_enqueue_burst_sync;\n \tcompressdev->feature_flags = RTE_COMPDEV_FF_HW_ACCELERATED;\n \treturn ret;\n }\n",
    "prefixes": [
        "v3",
        "4/6"
    ]
}